APA aipamena

Buttle, F. (2004). Customer Relationship Management. Elesvier.

Chicago Style aipamena

Buttle, Francis. Customer Relationship Management. New Delhi: Elesvier, 2004.

MLA aipamena

Buttle, Francis. Customer Relationship Management. Elesvier, 2004.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.